Fuel Cap

B

Bob Hawley

Active member
Well I have another question and hope I get the same response that I received before. I looked in TM Gallery and noticed the fuel cap has a vent hole. My cap does not. What kind of problem will this cause? Should I drill a hole in it? Thanks, Bob
 
Hey Bob,

Just a suggestion; send for a "FREE" safety gas cap and that will solve
more than the vent problem. You can sent a post card or letter to:

NAVISTAR INTERNATIONAL TRANSPORTATON CORP.
BOX 10088
FORT WAYNE, INDIANA 46850

JUST FURNISH THE MODEL AND SERIAL NUMBER OF YOUR IH TRACTOR ALONG WITH YOUR NAME AND COMPLETE MAILING ADDRESS,
YOUR SIGNATURE AND DATE. I RECEIVED SIX IN ONE SHIPMENT. IT TOOK ABOUT FIVE WEEKS FOR MINE TO ARRIVE.

But to answer your question it does need a very small vent. Most likely
yours is just stopped up or has been painted over in times past.

Hope this helps.
 
Without a vent hole and if your cap has an airtight seal your tractor will act like it is running out of gas. It has to breath or it will create a vacuum and stop flowing.

Go to Rudi`s page and 6th down from top on right hand column is a free gas-cap offer you print out and send in for new "FREE" cap.

http://www.cleancomputes.com/Cub/index.html
 
the one that came on my 49 was chrome had no vent hole and leaked if the fuel was high enough to slosh.replaced it with a new one from auto parts store it did the same.found this web site sent for new safety cap solve the problem.
 
Bob Hawley":3ma7y8gj said:
Well I have another question and hope I get the same response that I received before. I looked in TM Gallery and noticed the fuel cap has a vent hole. My cap does not. What kind of problem will this cause? Should I drill a hole in it? Thanks, Bob
Click to expand...

Some aftermarket gas caps vent between the gasket and the outer rdge of the cap.
 
Thanks guys. Sounds like I need to go to Rudi's page again, there is some awful good info there, I guess I didn't go over it thorough enough. Dogman, I have the same symptoms when the tank is full. I appreciate all the responses. Bob
 
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